Draw ellipses. Select the Ellipse tool. Click and hold the rectangle tool to see and choose the ellipse tool. For more information on selecting tools see Select a tool. Do one of the following: Drag diagonally until the ellipse is the desired size.
ab-. 1  Separable verb prefix, from. ab- + âfahren (âto leaveâ) â âabfahren (âto depart fromâ) 2  Separable verb prefix that indicates removal or quitting, off. 3  Separable verb prefix that indicates a downward movement, down.  Separable verb prefix that indicates from or of.
ablation(Noun) A carrying or taking away; removal. ablation(Noun) The surgical removal of a body part or an organ; the removal of an organ function; amputation. ablation(Noun) The progressive removal of material by any of a variety of processes such as vaporization under heat or chipping. ablation(Noun) The total removal of a glacier by melting and evaporation; the lowering of a land surface by any of several means, as in wind erosion, mass wasting.